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BIO LAB FINAL 1402P2
Plant Tissue
| Question | Answer |
|---|---|
| 3 types of plant tissue? | ground, vascular and dermal tissue |
| Epidermis | * dermal tissue * prevents water lost/ bacteria * thick red layer in roots, leaves and stems * outer most cell |
| Trichomes | * dermal tissue * found in leaves * extra cells that protrude * used to protect plant from bugs ( kills them) |
| Guard cells | * found in leaves * small with openings * regulates stomata ( gas exchange) |
| Root hairs | * found in dermal tissue in roots * look for extra cells hanging out * increases surface area |
| Collenchyma | * In leaves * between epidermis cells and vascular bundle * supporting tissue *living cell walls |
| Sclerenchyma | * dead cell walls ( thick) * looks like red dots ( no holes) * on the outer edge of vascular bundle ( after pholem) * supporting tissue |
| Mesophyll | * palisade & spongy parenchyma * Has chloroplasts in the cell * has photosynthetic abilities |
| Endodermis | * In roots * Has a waxy layer(red layer) * regulates water that goes into xylem |
| Bundle Sheath | * cells around vascular bundle * regulates the phleom |
| Cortex | * In roots/ stems * outside the vascular bundle * used for storage |
| Pith | * In roots/stem * inside vascular bundle * used for storage |
| Phloem | * transport sugars and AA |
| Xylem | * in leaves, roots and stems * big red cell with a big hole * transports water |
| Apical meristems | * red cells at the tip * on shoots and roots * grows new cells at the tips and roots |
| Lateral meristems | * line right inside the epidermis * helps in the growth of lateral roots *increases width of plant |
| Vascular Cambien | * gives rise to xylem and phleom * found in stems * between phelom and xylem layers |
| Megagametophyte | * multi-cellular * has egg cell * produced by megasporyophyte |
| Microgametophyte | * produced by microsporyophyte * forms pollen * look for developing anther |
Created by:
oliviak
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